Battery case



FIG. 1 is a perspective view of one embodiment of a battery case;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken line showing throughout the drawing figures is included for the purpose of illustrating features of the battery case that form no part of the claimed design. 

The ornamental design for a battery case, as shown and described. 